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Originally Posted by Adama
So its an expanding ring inside the "ring" of the end of a roller and uses the outward pressure to hold into the roller tightly and move it?
cool
thanks for the help
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They look like this:
As you can see by tightening the nut, you push the inside collar in and the outide collar out. If the outside collar can't go anywhere, then it pushes back on the inside collar. Friction then holds the inside collar to the shaft and the outside collar to the pulley or whatever.
I love them. They really make an easy interface to a gear or sprocket or pulley or whatever.
They are easy to adjust and to take apart and as long as you have a strong enough outer ring to cause sufficient pressure on the inner shaft, they hold the rated torque beautifully.
In the case of the 11mm trantorque, they are rated for 34N-m which is just about perfect for the Bosch Power Sliding Door Motor!!!
Joe J.